mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-23 06:40:23 +00:00
e3bf375035
update kubernetes to latest v1.25.0 release. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
82 lines
2.4 KiB
Go
82 lines
2.4 KiB
Go
/*
|
|
Copyright 2021 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package policy
|
|
|
|
import (
|
|
"fmt"
|
|
"sort"
|
|
"strings"
|
|
|
|
corev1 "k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/pod-security-admission/api"
|
|
)
|
|
|
|
/*
|
|
On supported hosts, the 'runtime/default' AppArmor profile is applied by default.
|
|
The baseline policy should prevent overriding or disabling the default AppArmor
|
|
profile, or restrict overrides to an allowed set of profiles.
|
|
|
|
**Restricted Fields:**
|
|
metadata.annotations['container.apparmor.security.beta.kubernetes.io/*']
|
|
|
|
**Allowed Values:** 'runtime/default', 'localhost/*', empty, undefined
|
|
*/
|
|
func init() {
|
|
addCheck(CheckAppArmorProfile)
|
|
}
|
|
|
|
// CheckAppArmorProfile returns a baseline level check
|
|
// that limits the value of AppArmor profiles in 1.0+
|
|
func CheckAppArmorProfile() Check {
|
|
return Check{
|
|
ID: "appArmorProfile",
|
|
Level: api.LevelBaseline,
|
|
Versions: []VersionedCheck{
|
|
{
|
|
MinimumVersion: api.MajorMinorVersion(1, 0),
|
|
CheckPod: appArmorProfile_1_0,
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func allowedProfile(profile string) bool {
|
|
return len(profile) == 0 ||
|
|
profile == corev1.AppArmorBetaProfileRuntimeDefault ||
|
|
strings.HasPrefix(profile, corev1.AppArmorBetaProfileNamePrefix)
|
|
}
|
|
|
|
func appArmorProfile_1_0(podMetadata *metav1.ObjectMeta, podSpec *corev1.PodSpec) CheckResult {
|
|
var forbiddenValues []string
|
|
for k, v := range podMetadata.Annotations {
|
|
if strings.HasPrefix(k, corev1.AppArmorBetaContainerAnnotationKeyPrefix) && !allowedProfile(v) {
|
|
forbiddenValues = append(forbiddenValues, fmt.Sprintf("%s=%q", k, v))
|
|
}
|
|
}
|
|
if len(forbiddenValues) > 0 {
|
|
sort.Strings(forbiddenValues)
|
|
return CheckResult{
|
|
Allowed: false,
|
|
ForbiddenReason: pluralize("forbidden AppArmor profile", "forbidden AppArmor profiles", len(forbiddenValues)),
|
|
ForbiddenDetail: strings.Join(forbiddenValues, ", "),
|
|
}
|
|
}
|
|
|
|
return CheckResult{Allowed: true}
|
|
}
|